How to Say “You Liar” in Japanese

うそつき
usotsuki
The English phrase "you liar" is translated into Japanese as うそつき (usotsuki).
うそつき is a term used to call someone a person who tells lies.

What does it mean word for word?

The word is a compound of うそ (lie) and つき, which is a suffix for a person who performs an action, derived from the verb tsuku.

Is there a formal and an informal way to say it?

Using うそつき alone to address someone is blunt and informal. In a formal setting, one would typically describe the act of lying rather than labeling the person directly.

How does it change in a sentence?

To make the phrase a complete sentence meaning "You are a liar", you add the copula だ to the end, resulting in うそつきだ.

How do you pronounce it?

usotsuki

Did you know?

  • In casual conversation, Japanese speakers often say うそ! (lie!) to express disbelief or shock, similar to saying 'No way!' or 'You're kidding!' in English.
  • In Japanese pop culture, such as anime, the word is often lengthened to うそつきー! or spoken with a sing-song rhythm to mock someone, turning a harsh insult into a playful taunt.
  • While English speakers might say 'you are lying' to describe an action, calling someone a うそつき in Japanese carries a much heavier weight of character judgment, implying the person is fundamentally dishonest.

Example conversation

Yui finds out Yota lied about doing his homework.

  1. 結衣 Yui

    宿題やったって言ったのに!
    Shukudai yatta tte itta noni!
    But you said you did your homework!
  2. 陽太 Yota

    ごめん、本当はやってないんだ。
    Gomen, hontō wa yattenain da.
    Sorry, I actually didn't do it.
  3. 結衣 Yui

    もう、うそつき!
    Mō, usotsuki!
    Geez, you liar!
  4. 陽太 Yota

    次からは正直に言うよ。
    Tsugi kara wa shōjiki ni iu yo.
    I'll tell the truth from now on.
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Madeline Jean
Madeline JeanHelp make this guide better. Spot a mistake, know another way to say it, or have an example from real life? Share it below.
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